Home / 231,232,679.20-346,815,256.48-67,426,418.08

Finding the Fourth Proportional to 231,232,679.20, 346,815,256.48 and 67,426,418.08

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Solution

The fourth proportional to 231,232,679.20, 346,815,256.48 and 67,426,418.08 is: 101,129,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,232,679.20 : 346,815,256.48 = 67,426,418.08 : x
  2. Step 2: Convert to fraction form
    231,232,679.20/346,815,256.48 = 67,426,418.08/x
  3. Step 3: Cross multiply
    231,232,679.20x = 346,815,256.48 × 67,426,418.08
  4. Step 4: Simplify right side
    231,232,679.20x = 23,384,510,479,942,908
  5. Step 5: Solve for x
    x = 23,384,510,479,942,908/231,232,679.20
  6. Step 6: Final answer
    x = 101,129,782.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.